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Puzzle 143: Double Recursion 2

Recursion is like a spring - it stores energy

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Author: sam0737
Date posted: 3/15/2009 2:38:47 PM
Difficulty (1..5): 3.26 (262 votes)
Popularity: 214 (219 liked, 5 disliked)
Correct solution submitted: 1672

 

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